Pitchers who had Tommy John surgery

CaptionTommy John, 1984

Ronald C. Modra / Sports Imagery, Getty Images

Dr. Frank Jobe transplanted an elbow ligament in Tommy John's throwing arm in 1974. John is seen pitching for the Angels in 1984. He retired in 1989, with more than half of his wins coming after the surgery.

Dr. Frank Jobe transplanted an elbow ligament in Tommy John's throwing arm in 1974. John is seen pitching for the Angels in 1984. He retired in 1989, with more than half of his wins coming after the surgery. (Ronald C. Modra / Sports Imagery, Getty Images)